CodeGen: Assign linkage to thread-wrappers correctly
We would sometimes incorrectly give a thread-wrapper external linkage
instead of internal linkage if we had only CodeGen'd it's declaration,
not it's definition.
This fixes PR19655.
llvm-svn: 207988
diff --git a/clang/test/CodeGenCXX/cxx11-thread-local.cpp b/clang/test/CodeGenCXX/cxx11-thread-local.cpp
index b91f46d..5843a34 100644
--- a/clang/test/CodeGenCXX/cxx11-thread-local.cpp
+++ b/clang/test/CodeGenCXX/cxx11-thread-local.cpp
@@ -145,6 +145,14 @@
return this->n;
}
+namespace {
+thread_local int anon_i{1};
+}
+void set_anon_i() {
+ anon_i = 2;
+}
+// CHECK-LABEL: define internal hidden i32* @_ZTWN12_GLOBAL__N_16anon_iE()
+
// CHECK: define {{.*}} @[[V_M_INIT:.*]]()
// CHECK: load i8* bitcast (i64* @_ZGVN1VIiE1mE to i8*)
// CHECK: %[[V_M_INITIALIZED:.*]] = icmp eq i8 %{{.*}}, 0